The cloisters of the medieval Salisbury Cathedral in Salisbury, England have been transformed into a stunning technicolor maze of 69 towers, thanks to 15,000 water bottles that change color in sync with choral music.

We also have photos of Colin Firth's wife, Livia Firth, who wore a gorgeous, green gown to the Golden Globes on Sunday night; towering monadnocks; a fresh look at a biodynamic winery, and more in our roundup of the best photos on TreeHugger this week.

A Maze of LED Water Bottles

The new eco stained glass windows for the historic church -- which dates from the 13th century -- were created by artist and light designer Bruce Munro.